Distribution of selected herbicides and nitrate in the Mississippi River and its major tributaries, April through June 1991
By: by D.A. Goolsby, R.C. Coupe, and D.J. Markovchick
Contributors: Coupe, R. C; Markovchick, D. J; Geological Survey (U.S.)
Series: Water-resources investigations report -- 91-4163
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Books and Open-File Reports [distributor]
Published: 1991
Place of publication: Denver, Colo
Language: eng
Number of pages: 35
Subjects: Water -- Pollution -- Mississippi River Valley; Herbicides -- Environmental aspects -- Mississippi River Valley; Nitrates -- Environmental aspects -- Mississippi River Valley
Notes: Shipping list no.: 92-070-P

Includes bibliographical references (p. 34-35)